While we don't have a direct capability to do this now, some of the large programs of record are being built so that robotic servicing may be possible. JWST ha

While we don't have a direct capability to do this now, some of the large programs of record are being built so that robotic servicing may be possible. JWST has a docking port for a future robotic servicing mission. Nancy Grace Roman (formerly WFIRST) space telescope has grappling points on the spacecraft for robotic servicing.